In a large clinical trial, 390,829 children were randomly assigned to two groups. The treatment group consisted of 196,338 children given a vaccine for a certain disease, and 40 of those children developed the disease. The other 194,491 children were given a placebo, and 129 of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of n,. P, 9,, n,, P2, 92. P, and q.

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In a large clinical trial, 390,829 children were randomly assigned to two groups. The treatment group consisted of 196,338 children given a vaccine for a certain disease, and 40 of those children developed the disease. The other 194,491 children
were given a placebo, and 129 of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of n,, p, , 91, n,, P2, 92, P, and q.
n =
Transcribed Image Text:In a large clinical trial, 390,829 children were randomly assigned to two groups. The treatment group consisted of 196,338 children given a vaccine for a certain disease, and 40 of those children developed the disease. The other 194,491 children were given a placebo, and 129 of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of n,, p, , 91, n,, P2, 92, P, and q. n =
A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 230 vinyl gloves, 68% leaked viruses. Among 230 latex gloves, 8% leaked viruses. Using the accompanying display of the
technology results, and using a 0.01 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves be population 1.
A Click the icon to view the technology results.
What are the null and alternative hypotheses?
A. Ho: P1 = P2
H1: P1 > P2
O B. Ho: P1 = P2
H1: P1 # P2
O C. Ho: P1 + P2
H1: P1 = P2
OF. Ho: P1 <P2
O E. Ho: P1> P2
O D. Ho: P1 = P2
H: P1 = P2
H1: P1 = P2
H: P1 <P2
Identify the test statistic.
(Round to two decimal places as needed.)
Transcribed Image Text:A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 230 vinyl gloves, 68% leaked viruses. Among 230 latex gloves, 8% leaked viruses. Using the accompanying display of the technology results, and using a 0.01 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves be population 1. A Click the icon to view the technology results. What are the null and alternative hypotheses? A. Ho: P1 = P2 H1: P1 > P2 O B. Ho: P1 = P2 H1: P1 # P2 O C. Ho: P1 + P2 H1: P1 = P2 OF. Ho: P1 <P2 O E. Ho: P1> P2 O D. Ho: P1 = P2 H: P1 = P2 H1: P1 = P2 H: P1 <P2 Identify the test statistic. (Round to two decimal places as needed.)
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